package com.uinfor.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

/**
 * @descripttion:
 * @Author: WZH
 * @Date :2021/1/22  13:59
 **/
@Service
public class PaymentService {
    public String paymentInfo_ok(Integer id){
        return "线程池:"+Thread.currentThread().getName()+"paymentInfo_ok"+id+"\t"+"O(∩_∩)O哈哈~";
    }
    @HystrixCommand(fallbackMethod = "paymentInfo_timeoutHandler",commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "5000")
    })
    public String paymentInfo_timeout(Integer id){
        int timNumber=3;
        try {
            TimeUnit.SECONDS.sleep(timNumber);
        }catch (Exception e){
            e.printStackTrace();
        }
//        int age=10/0;
        return "线程池:"+Thread.currentThread().getName()+"paymentInfo_timeok"+id+"\t"+"￣へ￣哭,耗时"+"s";
    }
    public String paymentInfo_timeoutHandler(Integer id){
        return "线程池:"+Thread.currentThread().getName()+"paymentInfo_timeoutHandler"+id+"\t"+"￣へ￣哭,这个是备选方案";
    }
    //服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name="circuitBreaker.enabled",value = "true"),//是否开启断路器
            @HystrixProperty(name="circuitBreaker.requestVolumeThreshold",value = "10"),//请求次数
            @HystrixProperty(name="circuitBreaker.sleepWindowInMilliseconds",value = "10000"),//时间窗口期
            @HystrixProperty(name="circuitBreaker.errorThresholdPercentage",value = "60")//失败率达到多少跳闸
    })
    public String paymentCircuitBreaker(@PathVariable("id")Integer id){
        if (id<0){
            throw new RuntimeException("*************id 不能是负数");
        }
        String s = IdUtil.simpleUUID();
        return Thread.currentThread().getName()+"\t"+"调用成功，流水号："+s;
    }
    public String paymentCircuitBreaker_fallback(@PathVariable("id")Integer id){
        return "id 不能为负数，请稍后再试，  id："+id;
    }
}
